This paper examines how traceability technologies can transform global waste management, particularly in emerging economies where informal systems dominate. It highlights that informal waste workers recover tens of millions of tonnes of recyclables annually, yet their contributions remain largely invisible due to a lack of data and system integration. The paper shows how innovations such as blockchain, AI analytics and digital tracking tools can create transparency across supply chains, improving accountability, worker inclusion and environmental outcomes. It also provides a practical framework for evaluating traceability solutions and outlines a roadmap for scaling them through shared infrastructure and collaboration. The key insight is that making waste flows visible unlocks economic val

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